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    U.S. Census Bureau – American Community Survey

    Find census data for calculating rates and describing demographic characteristics and economic status of populations down to the county, ZIP code, and census tract level. For more information on using Census data in health impact assessment visit the UCLA Health Impact Assessment Clearinghouse


    CDC Environmental Public Health Tracking – Info by Location

    Use this Info by Location tool to get a snapshot of environmental health issues by county.​


    County Health Rankings & Roadmaps

    Explore county health rankings, including high school graduation rates, obesity, smoking, unemployment, access to healthy foods, quality of air and water, average income, and teen births in nearly every county in America.



    Examine EPA’s environmental justice screening and mapping tool. EJSCREEN is based on nationally consistent data and an approach that combines environmental and demographic indicators in maps and reports.


    EPA – Community-Focused Exposure and Risk Screening Tool (C-FERST)

    Use the Map Viewer to explore maps that identify sources of pollution in your community and the surrounding area. View a community's environment, compare community environmental conditions, explore and learn about environmental issues, and plan projects with community guides​


    Agency for Toxic Substances & Disease Registry – Social Vulnerability Index

    Identify communities that may need support in preparing for hazards or recovering from disaster. Social vulnerability refers to the potential for negative effects, based on social, economic, and demographic characteristics, when communities are confronted by external stresses on human health, such as natural or human-caused disasters or disease outbreaks.


    Department of Transportation – Transportation and Health Tool

    For each U.S. state and metropolitan area, explore data for a set of transportation and public health indicators that describe how the transportation environment affects safety, active transportation, air quality, and connectivity to destinations.


    EPA - Envirofacts

    Search for environmental information by geographic location. EPA provides data indicators for air, land, water, waste, toxics, radiation, facility, and compliance.  


    Health Indicators Warehouse

    Access the Department of Health and Human Services’ community health status and determinant data warehouse at the county and hospital level. Chart, map, and analyze over 1,000 indicators.

      For more information, call the Environmental Health Helpline: 1-866-703-3266 or email dhmh.envhealth@maryland.gov

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